On Thu, Jan 21, 2016 at 2:54 PM, James Cameron <qu...@laptop.org> wrote:
> The symptoms you describe are all normal for either; > > - a hung embedded controller (see 0.3.07 release notes), > > - the Gold Peak LiFePO4 batteries (see 0.3.09 release notes), or > > - for a communication problem (see 0.4.02 release notes and #12525). > > http://wiki.laptop.org/go/EC_4.0_Firmware > http://dev.laptop.org/ticket/12525 > > All caused by using a prototype EC firmware version that wasn't in > manufacturing. > > The boot hang was designed by me. It will go away once you upgrade > the firmware. See http://wiki.laptop.org/go/12297 for details. > > Please check the EC firmware version in all of your prototypes and > upgrade it. > > On the machine you are having problems with, please do the following > in a normal humid environment (e.g. > 50% RH), not a dry as a bone > environment (e.g. < 25% RH); remove the power cable, the battery, wait > 30 seconds, then insert the power cable, the battery, and try again. > > When that doesn't work, carefully follow these steps; > > 1. add battery, power cable, and bring the system to the ok prompt, > > 2. check the battery LED is on and green, > > 3. check the battery latch is locked, > > 4. type "flash-ec! rom:ecimage.bin" and press enter, > > 5. observe the consequences. > Perfect, it rebooted many times and now contains EC Firmware 0.5.01, Q7C05 and 13.2.6 so all fixed, Thanks James! First, the machine should reprogram the SPI FLASH chip used by the > EC. Next, it should reboot and the automatic Open Firmware upgrade > will occur. Finally, it should reboot into 13.2.6. > > Let me know how it goes. > > > http://wiki.laptop.org/go/Forth_Lesson_23#Forcing_EC_Code_Update_on_XO-1.75_and_XO-4 > > On Thu, Jan 21, 2016 at 01:11:25PM -0500, Adam Holt wrote: > > Clarif: XO-4 does not boot anymore, as a result of installing Release > 13.2.6 > > (oops! wishful thinking!) so machine now attempts to install Q7C05 on > every > > boot. I'm unclear why bootup fails, given the following red warning > appears, > > but fyi machine freezes as show: > > > > Got firmware version: CL4 Q7C05 Q7C > > Checking integrity ... > > Unsafe to update firmware now - EC command result timeout > > Continuing with old firmware > > Trying last:\boot\runos4.zip > > OS found - Trying last:\boot\runrd4.zip > > RD found - <cursor stuck here, with machine frozen> > > > > Context: this is Caryl Bigenho's XO-4 demo machine to show off at many > > conferences, an engineering sample John Watlington generously sent to > her, > > derived from SKU294, perhaps dangerously so! But hopefully all hope is > not > > lost?? (Certainly it booted until we just tried reflashing to 13.2.6...) > > > > On Thu, Jan 21, 2016 at 5:23 AM, Adam Holt <[1]h...@laptop.org> wrote: > > > > I'm trying to help someone upgrade their XO-4 Touch to the latest > firmware > > (Q7C05) but this isn't working, seemingly blocked by the EC which > cannot > > detect good white batteries inside this XO (each white battery's we > tried > > is fully charged, as verified by other XO's). > > > > The ok prompt announces this XO-4 has firmware Q7B23 but when running > > "menu" at the ok prompt, manufacturing tag BV is set to Q7B01 FWIW. > > > > When running "watch-battery" at the ok prompt, it responds: > > > > EC command result timeout > > > > When clicking on battery within [2] > http://wiki.laptop.org/go/XO_Self_Test > > the screen goes all red, showing: > > > > Testing /battery > > Selftest failed due to abort > > > > When running "test /battery" at the ok prompt, it responds: > > > > No selftest method for /battery > > > > Any workarounds or things to try, regardless whether EC (Embedded > > Controller 0.3.04) or some other hardware issue on this very early > XO-4 > > Touch might somehow be to blame? Thanks for ideas! > > > > -- > > Unsung Heroes of OLPC, interviewed live @ [3]http://unleashkids.org > ! > > > > References: > > > > [1] mailto:h...@laptop.org > > [2] http://wiki.laptop.org/go/XO_Self_Test > > [3] http://unleashkids.org/ > > > _______________________________________________ > > Devel mailing list > > Devel@lists.laptop.org > > http://lists.laptop.org/listinfo/devel > > > -- > James Cameron > http://quozl.netrek.org/ > _______________________________________________ > support-gang mailing list > support-g...@lists.laptop.org > http://lists.laptop.org/listinfo/support-gang > > -- > <http://lists.laptop.org/listinfo/support-gang> > <http://lists.laptop.org/listinfo/support-gang> > Unsung Heroes of OLPC, interviewed live @ > <http://lists.laptop.org/listinfo/support-gang>http://unleashkids.org ! >
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